mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-19 18:52:39 +03:00
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*
|
|
* Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* NetSurf is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** \file
|
|
* Interface to javascript engine functions.
|
|
*/
|
|
|
|
#ifndef _NETSURF_JAVASCRIPT_JS_H_
|
|
#define _NETSURF_JAVASCRIPT_JS_H_
|
|
|
|
#include "utils/errors.h"
|
|
|
|
|
|
typedef struct jscontext jscontext;
|
|
typedef struct jsobject jsobject;
|
|
|
|
typedef bool(jscallback)(void *ctx);
|
|
|
|
struct dom_event;
|
|
struct dom_document;
|
|
struct dom_node;
|
|
struct dom_element;
|
|
struct dom_string;
|
|
|
|
/** Initialise javascript interpreter */
|
|
void js_initialise(void);
|
|
|
|
/** finalise javascript interpreter */
|
|
void js_finalise(void);
|
|
|
|
/** Create a new javascript context.
|
|
*
|
|
* There is usually one context per browser context
|
|
*
|
|
* \param timeout elapsed wallclock time (in seconds) before \a callback is called
|
|
* \param cb the callback when the runtime exceeds the timeout
|
|
* \param cbctx The context to pass to the callback
|
|
* \param jsctx Updated to the created JS context
|
|
* \return NSERROR_OK on success, appropriate error otherwise.
|
|
*/
|
|
nserror js_newcontext(int timeout, jscallback *cb, void *cbctx,
|
|
jscontext **jsctx);
|
|
|
|
/** Destroy a previously created context */
|
|
void js_destroycontext(jscontext *ctx);
|
|
|
|
/** Create a new javascript compartment
|
|
*
|
|
* This is called once for a page with javascript script tags on
|
|
* it. It constructs a fresh global window object.
|
|
*/
|
|
jsobject *js_newcompartment(jscontext *ctx, void *win_priv, void *doc_priv);
|
|
|
|
/* execute some javascript in a context */
|
|
bool js_exec(jscontext *ctx, const char *txt, size_t txtlen);
|
|
|
|
|
|
/* fire an event at a dom node */
|
|
bool js_fire_event(jscontext *ctx, const char *type, struct dom_document *doc, struct dom_node *target);
|
|
|
|
bool
|
|
js_dom_event_add_listener(jscontext *ctx,
|
|
struct dom_document *document,
|
|
struct dom_node *node,
|
|
struct dom_string *event_type_dom,
|
|
void *js_funcval);
|
|
|
|
/*** New Events ***/
|
|
|
|
/** Handle a new element being created.
|
|
*
|
|
* This is called once an element is inserted into the DOM document handled
|
|
* by the context provided. The JS implementation must then scan the element
|
|
* for on* attributes and register appropriate listeners for those handlers.
|
|
*/
|
|
void js_handle_new_element(jscontext *ctx, struct dom_element *node);
|
|
|
|
/** Handle an event propagation finished callback.
|
|
*
|
|
* This is called once an event finishes propagating, no matter how it
|
|
* finishes. The intent here is that the JS context can perform any cleanups
|
|
* it may need to perform before the DOM finishes and the event may end up
|
|
* freed.
|
|
*/
|
|
void js_event_cleanup(jscontext *ctx, struct dom_event *evt);
|
|
|
|
#endif /* _NETSURF_JAVASCRIPT_JS_H_ */
|